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Finding the Fourth Proportional to 69,469.86, 104,230.29 and 41,405.82

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Solution

The fourth proportional to 69,469.86, 104,230.29 and 41,405.82 is: 62,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.86 : 104,230.29 = 41,405.82 : x
  2. Step 2: Convert to fraction form
    69,469.86/104,230.29 = 41,405.82/x
  3. Step 3: Cross multiply
    69,469.86x = 104,230.29 × 41,405.82
  4. Step 4: Simplify right side
    69,469.86x = 4,315,740,626.29
  5. Step 5: Solve for x
    x = 4,315,740,626.29/69,469.86
  6. Step 6: Final answer
    x = 62,123.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.